/*
 * Copyright (c) 2018-2020 "Graph Foundation,"
 * Graph Foundation, Inc. [https://graphfoundation.org]
 *
 * This file is part of ONgDB.
 *
 * ONgDB is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
/*
 * Copyright (c) 2002-2020 "Neo4j,"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.kernel.api.exceptions.schema;

import org.neo4j.internal.kernel.api.TokenNameLookup;
import org.neo4j.internal.kernel.api.exceptions.KernelException;
import org.neo4j.internal.kernel.api.exceptions.schema.SchemaKernelException;
import org.neo4j.internal.kernel.api.schema.constraints.ConstraintDescriptor;
import org.neo4j.kernel.api.exceptions.Status;

public class CreateConstraintFailureException extends SchemaKernelException
{
    private final ConstraintDescriptor constraint;

    private final String cause;
    public CreateConstraintFailureException( ConstraintDescriptor constraint, Throwable cause )
    {
        super( Status.Schema.ConstraintCreationFailed, cause, "Unable to create constraint %s: %s", constraint,
                cause.getMessage() );
        this.constraint = constraint;
        this.cause = null;
    }

    public CreateConstraintFailureException( ConstraintDescriptor constraint, String cause )
    {
        super( Status.Schema.ConstraintCreationFailed, null, "Unable to create constraint %s: %s", constraint, cause );
        this.constraint = constraint;
        this.cause = cause;
    }

    public ConstraintDescriptor constraint()
    {
        return constraint;
    }

    @Override
    public String getUserMessage( TokenNameLookup tokenNameLookup )
    {
        String message = "Unable to create " + constraint.prettyPrint( tokenNameLookup );
        if ( cause != null )
        {
            message = String.format( "%s:%n%s", message, cause );
        }
        if ( getCause() instanceof KernelException )
        {
            KernelException cause = (KernelException) getCause();

            return String.format( "%s:%n%s", message, cause.getUserMessage( tokenNameLookup ) );
        }
        return message;
    }
}
